diff --git a/Areas/upv/classes/empresario/05-organisation/01-introduction.md b/Areas/upv/classes/empresario/05-organisation/01-introduction.md
index e69de29..bda01c1 100644
--- a/Areas/upv/classes/empresario/05-organisation/01-introduction.md
+++ b/Areas/upv/classes/empresario/05-organisation/01-introduction.md
@@ -0,0 +1,6 @@
+# Introduction to Organisation 
+A good organisation has people that know how to work in a team.
+
+With teamwork you can achieve goals that a single person alone can not achieve.
+
+
diff --git a/Areas/upv/classes/empresario/05-organisation/02-what-is-organisation.md b/Areas/upv/classes/empresario/05-organisation/02-what-is-organisation.md
new file mode 100644
index 0000000..f4ce635
--- /dev/null
+++ b/Areas/upv/classes/empresario/05-organisation/02-what-is-organisation.md
@@ -0,0 +1,7 @@
+# What is the Organisation?
+The process by which a company's management, once plans have been formulated, combines human and material resources to establish a formal structure of tasks and authority.
+
+***1. Identify Activities***
+***2. Group with criterias***
+***3. Asigne Responsibilities***
+***4. Coordinate the structure***
\ No newline at end of file
diff --git a/Areas/upv/classes/empresario/05-organisation/03-organizational-unit.md b/Areas/upv/classes/empresario/05-organisation/03-organizational-unit.md
new file mode 100644
index 0000000..7e9bb59
--- /dev/null
+++ b/Areas/upv/classes/empresario/05-organisation/03-organizational-unit.md
@@ -0,0 +1,12 @@
+A organizational unit is composed of one or more people which perform a set of tasks
+
+Other elements such as:
+- Sections
+- Department
+- Division
+
+# Types of organizational Units
+- *Line-OU* they perform tasks which are central to the organization, E.g: Sales, Production...
+- *Staff-OU* help the  line units, there are two types:
+	- Direct Collaboration, e.g. preparing, planing, executing
+	- Internal Services, e.g. managing, maintanence...
\ No newline at end of file
diff --git a/Areas/upv/classes/empresario/05-organisation/04-departmentalisation.md b/Areas/upv/classes/empresario/05-organisation/04-departmentalisation.md
index cc218a7..58f26d5 100644
--- a/Areas/upv/classes/empresario/05-organisation/04-departmentalisation.md
+++ b/Areas/upv/classes/empresario/05-organisation/04-departmentalisation.md
@@ -1,5 +1,29 @@
-# Geographical
-# Goods/Services
-# Projects/Matrix
-# Clients
+# Departmentalization
+Is the grouping of organisational units by specific criterios, for example:
+
+# Geographical
+Groups OU's by their geographical distribution.
+
+# Goods/Services
+Groups OU's by Goods and Services they provide.
+
+# Projects/Matrix
+Groups OU's by projects.
+
+# Clients
+Groups OU by the clients they work for.
+
+The most used type of departmentalisation is:
+
+# Functional
+Functional departmentalization is an organizational structure where business leaders divide teams according to the professionals' areas of specialization. This means that if a company is creating a new product, there may be one team of marketing specialists, another team of software designers and a team of data scientists. These different groups work within their teams to complete tasks related to their area of focus and expertise.
+
+**Advantages:**
+- The most widespread and proven.
+- Encourages specialisation.
+
+**Disadvantages**:
+- The objectives of the departments prevail over those of the company as a whole.
+- Requires greater coordination.
+- Not very suitable for companies with a wide territorial spread or very diversified.
 
diff --git a/Areas/upv/classes/empresario/assets/business-as-black-box.png b/Areas/upv/classes/empresario/assets/business-as-black-box.png
new file mode 100644
index 0000000..2d9020f
Binary files /dev/null and b/Areas/upv/classes/empresario/assets/business-as-black-box.png differ
diff --git a/Areas/upv/classes/empresario/index.md b/Areas/upv/classes/empresario/index.md
index c1fc729..f0a85e7 100644
--- a/Areas/upv/classes/empresario/index.md
+++ b/Areas/upv/classes/empresario/index.md
@@ -47,10 +47,10 @@
 
 [[T5-Organizacion.pdf|PDF]]
 
-- [ ] Introducción de la Organización *Introduction to Organisation*
-- [ ] Organización *Organisation*
-- [ ] Unidad organizativa *Organisational Units*
-- [ ] Departamentalización *Departmentalisation*
+- [x] Introducción de la Organización *Introduction to Organisation*
+- [x] Organización *Organisation*
+- [x] Unidad organizativa *Organisational Units*
+- [x] Departamentalización *Departmentalisation*
 - [ ] Estructura organizativa *Organisational Structures*
 - [ ] Organigrama *Organisation Chart*